DCR-TRV820, DCR-TRV820E, DCR-TRV820P - Sony Movie Service Manual (repair manual). Page 5

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VC-235 (CAMERA PROCESSOR)
Schematic Diagram .................................................... 4-15
VC-235 (Y/C PROCESSOR)
Schematic Diagram .................................................... 4-17
VC-235 (LENS MOTOR DRIVE)
Schematic Diagram .................................................... 4-19
VC-235 (VIDEO IN/OUT) Schematic Diagram .......... 4-21
VC-235 (BASE BAND INPUT)
Schematic Diagram .................................................... 4-23
VC-235 (VIDEO/AUDIO DSP, D/A CONVERTER)
Schematic Diagram .................................................... 4-25
VC-235 (DV INTERFACE, OSD)
Schematic Diagram .................................................... 4-27
VC-235 (A/D CONVERTER, REC/PB AMP)
Schematic Diagram .................................................... 4-29
VC-235 (Hi8/Std8 PB AMP) Schematic Diagram ...... 4-31
VC-235 (HI CONTROL) Schematic Diagram ............ 4-33
VC-235 (Digital8 MECHANISM CONTROL)
Schematic Diagram .................................................... 4-35
VC-235 (CAMERA CONTROL, Hi8/Std8 MECHANISM
CONTROL) Schematic Diagram ................................ 4-37
FP-38, FP-220, FP-221, FP-249, FP-355, FP-356,
VC-235 (SERVO)  Schematic Diagram ..................... 4-39
FP-249, FP-355, FP-356 Printed Wiring Boards and
VC-235 (D/A CONVERTER) Schematic Diagram ..... 4-41
VC-235 (AUDIO IN/OUT) Schematic Diagram .......... 4-43
VC-235 (DC/DC CONVERTER)
Schematic Diagram .................................................... 4-45
PC-78 (DIGITAL STILL CONTROL)
Schematic Diagram .................................................... 4-47
PC-78 (STILL PICTURE SIGNAL PROCESS)
Schematic Diagram .................................................... 4-49
PC-78 (PRINTER CONTROL) Schematic Diagram .. 4-51
PC-78 (DC/DC CONVERTER)
Schematic Diagram .................................................... 4-53
PC-78 Printed Wiring Board ....................................... 4-55
PR-33 Printed Wiring Board ....................................... 4-57
PR-33 (PRINTER DRIVE), FP-162, FP-227
Schematic Diagram .................................................... 4-59
PR-33 (DC/DC CONVERTER)
Schematic Diagram .................................................... 4-61
SE-114 Printed Wiring Board ..................................... 4-63
SE-114 Schematic Diagram ....................................... 4-65
FP-156, MI-37 Printed Wiring Boards ........................ 4-67
FP-156, MI-37 (STEREO MIC AMP)
Schematic Diagram .................................................... 4-71
MI-37 (IR TRANSMITTER) Schematic Diagram ....... 4-73
CF-72 Printed Wiring Board ....................................... 4-75
MF-10000, CF-72 Schematic Diagram ...................... 4-79
KP-009 Printed Wiring Board and
Schematic Diagram .................................................... 4-81
VF-141 Printed Wiring Board ..................................... 4-83
VF-141 Schematic Diagram ....................................... 4-85
FK-10000 Schematic Diagram ................................... 4-87
LB-62 Printed Wiring Board ....................................... 4-88
LB-62 Schematic Diagram ......................................... 4-89
PD-118 Printed Wiring Board ..................................... 4-91
PD-118 (RGB LCD DRIVER, TIMING GENERATOR),
BV-10000, PR-10000 Schematic Diagram ................ 4-95
PR-10000, PD-118 (CG LCD DRIVER, BACK LIGHT)
Schematic Diagram .................................................... 4-97
FU-141 Printed Wiring Board ..................................... 4-99
SS-10000, FU-141 Schematic Diagram .................... 4-101

4-3.

Waveforms ................................................................. 4-103

4-4.

Parts Location ............................................................ 4-107

5.

ADJUSTMENTS

1.

Before Starting Adjustment ........................................ 5-1

1-1.

Adjusting Items
when Replacing Main Parts and Boards .............. 5-2

5-1.

Camera Section Adjustment ...................................... 5-4

1-1.

Preparations Before Adjustment
(Camera Section) .................................................. 5-4

1-1-1. List of Service Tools .............................................. 5-4
1-1-2. Preparations .......................................................... 5-6
1-1-3. Precaution ............................................................. 5-8

1. Setting the Switch ................................................. 5-8
2. Order of Adjustments ............................................ 5-8
3. Subjects ................................................................. 5-8

1-2.

Initialization of 7, 8, C, D, E, F Page Data
and Modification of B Page Data .......................... 5-9

1-2-1. Initialization of 8, C, D Page Data ......................... 5-9

1. Initializing the 8, C, D Page Data .......................... 5-9
2. Modification of 8, C, D Page Data ........................ 5-9
3. 8 Page Table ......................................................... 5-9
4. C Page Table ......................................................... 5-10
5. D Page Table ......................................................... 5-11

1-2-2. Initialization of 7, E, F Page Data ......................... 5-12

1. Initializing the 7, E, F Page Data .......................... 5-12
2. Modification of 7, E, F Page Data ......................... 5-12
3. 7 Page Table ......................................................... 5-12
4. E Page Table ......................................................... 5-13
5. F Page Table ......................................................... 5-14

1-2-3. Modification of B Page Data ................................. 5-15

1. Modification of B Page Data ................................. 5-15
2. B Page Table ......................................................... 5-15

1-3.

Camera System Adjustments ............................... 5-15

1. HALL Adjustment ................................................... 5-15
2. Flange Back Adjustment

(Using the Minipattern Box) .................................. 5-16

3. Flange Back Adjustment

(Using Flange Back Adjustment Chart Subject
More Than 500 m Away) ....................................... 5-17

3-1. Flange Back Adjustment (1) .................................. 5-17
3-2. Flange Back Adjustment (2) .................................. 5-17

4. Flange Back Check ............................................... 5-18
5. Optical Axis Adjustment ........................................ 5-19
6. Picture Frame Setting ........................................... 5-20
7. Color Reproduction Adjustment ............................ 5-21
8. AWB & LV Standard Data Input ............................ 5-22
9. Auto White Balance Adjustment ........................... 5-22

10. White Balance Check ............................................ 5-23

11. Angular Velocity Sensor Sensitivity Data Preset and

SteadyShot Check ................................................ 5-24

1-4.

Color Electronic Viewfinder
System Adjustments .............................................. 5-25

1. EVF Initial Data Input (1) ...................................... 5-25
2. EVF Initial Data Input (2) ...................................... 5-26
3. VCO Adjustment (VF-141 Board) ......................... 5-26
4. RGB AMP Adjustment (VF-141 Board) ................. 5-27
5. Contrast Adjustment (VF-141 Board) ................... 5-27
6. Backlight Consumption Current Adjustment

(VF-141 Board) ..................................................... 5-28

7. White Balance Adjustment (VF-141 Board) .......... 5-28

1-5.

LCD System Adjustments ..................................... 5-29

1. LCD Initial Data Input (1) ...................................... 5-29
2. LCD Initial Data Input (2) ...................................... 5-30
3. VCO Adjustment (PD-118 Board) ......................... 5-30
4. RGB AMP Adjustment (PD-118 Board) ................. 5-31
5. Contrast Adjustment (PD-118 Board) ................... 5-31
6. COM AMP Adjustment (PD-118 Board) ................ 5-32
7. V-COM Adjustment (PD-118 Board) ..................... 5-32
8. White Balance Adjustment

(PD-118 Board) ..................................................... 5-33

5-2.

Mechanism Section Adjustment ................................. 5-34

2-1.

Hi8/Standard 8 mm Mode ..................................... 5-34

2-1-1. How to Enter Playback Mode Without Cassette .. 5-34
2-1-2. Tape Path Adjustment ........................................... 5-34

1. Preparations for Adjustment ................................. 5-34

2-2.

Digital8 Mode ........................................................ 5-35

2-2-1. How to Enter Record Mode Without Cassette ...... 5-35
2-2-2. How to Enter Playback Mode Without Cassette .. 5-35
2-2-3. Overall Tape Path Check ...................................... 5-35

1. Recording of the Tape Path Check Signal ............ 5-35

2. Tape Path Check ................................................... 5-35

5-3.

Video Section Adjustment .......................................... 5-36

3-1.

Preparations Before Adjustments ......................... 5-36